针对某钢厂60 t LF钢包的操作条件和使用情况,采取以下措施进行改进:渣线采用再生镁碳料质量分数为66%的再生镁碳砖,熔池采用再生镁碳料质量分数为88%的再生镁碳砖;控制电炉末期下渣量和渣中的FeO含量;采用镁钙碳质改质剂;改善维护制度...针对某钢厂60 t LF钢包的操作条件和使用情况,采取以下措施进行改进:渣线采用再生镁碳料质量分数为66%的再生镁碳砖,熔池采用再生镁碳料质量分数为88%的再生镁碳砖;控制电炉末期下渣量和渣中的FeO含量;采用镁钙碳质改质剂;改善维护制度,用二级高铝砖对熔池进行贴补。改进后的60 t LF钢包的使用寿命由原来的40～50次提高到88次,吨钢耐火材料单耗由9.3 kg下降到5.6 kg。展开更多
The properties and performances of high purity corundum bricks for the refractory linings of the gasifiers in the ammonia and ethene synthesis and carbon black reaction furnaces in China are described.The high purity ...The properties and performances of high purity corundum bricks for the refractory linings of the gasifiers in the ammonia and ethene synthesis and carbon black reaction furnaces in China are described.The high purity corundum bricks are characterized by high refractoriness,hot strength,dimensional stability and chemical inertness at elevated temperature,Their performances in the gasifiers and carbon black furnaces are very satisfied ,The failure mechansims of the refractory lining are discussed on the basis of the petrographic analysis.展开更多
文摘针对某钢厂60 t LF钢包的操作条件和使用情况,采取以下措施进行改进:渣线采用再生镁碳料质量分数为66%的再生镁碳砖,熔池采用再生镁碳料质量分数为88%的再生镁碳砖;控制电炉末期下渣量和渣中的FeO含量;采用镁钙碳质改质剂;改善维护制度,用二级高铝砖对熔池进行贴补。改进后的60 t LF钢包的使用寿命由原来的40～50次提高到88次,吨钢耐火材料单耗由9.3 kg下降到5.6 kg。
文摘The properties and performances of high purity corundum bricks for the refractory linings of the gasifiers in the ammonia and ethene synthesis and carbon black reaction furnaces in China are described.The high purity corundum bricks are characterized by high refractoriness,hot strength,dimensional stability and chemical inertness at elevated temperature,Their performances in the gasifiers and carbon black furnaces are very satisfied ,The failure mechansims of the refractory lining are discussed on the basis of the petrographic analysis.
